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Sr Fullstack Developer Jobs in California (NOW HIRING)

Mochi Health

Senior Fullstack Engineer

San Francisco, CA · On-site

$330K/yr

If you want to do the most impactful work of your career, this is where to do it. Senior Fullstack Engineer Location: San Francisco, CA (5 days/week onsite) Salary Band: $230,000 - $280,000 (Open to ...

Mochi Health

Senior Fullstack Engineer

San Francisco, CA · On-site

$330K/yr

If you want to do the most impactful work of your career, this is where to do it. Senior Fullstack Engineer Location: San Francisco, CA (5 days/week onsite) Salary Band: $230,000 - $280,000 (Open to ...

FlightStory

Senior Fullstack Engineer

Los Angeles, CA · On-site

$170K/yr

SENIOR ENGINEER - FULLSTACK COMPANY : STEVEN.COM REPORTING TO : VP of ENGINEERING LOCATION: LOS ANGELES SALARY: UP TO $170K ABOUT STEVEN.COM Steven.com is building the operating system for the ...

Staffingine LLC

Full Stack Developer

Santa Monica, CA · On-site

Job Title: Sr. Fullstack Developer Job Location: Santa Monica, CA Job Type: Contract * Serve as senior full stack engineer developing responsive web/mobile applications in REACT and Native REACT ...

Cardata

Senior Fullstack Engineer

San Francisco, CA · On-site

$120 - $160/hr

Role Details Role overview: We're looking for an experienced fullstack engineer who can lead the ... Help us build and maintain a strong (and enjoyable!) developer experience. * Ensure that the ...

Internet Brands

Senior AI Engineer

El Segundo, CA · On-site

$100/hr

Senior Fullstack Engineer: Agentic Infrastructure Team Internet Brands is looking for a Senior Fullstack Engineer to join our Agentic AI team. You'll help build our AI capabilities from the ground up ...

Internet Brands

Senior AI Engineer

El Segundo, CA · On-site

$100/hr

Description Senior Fullstack Engineer: Agentic Infrastructure Team Internet Brands is looking for a Senior Fullstack Engineer to join our Agentic AI team. You'll help build our AI capabilities from ...

Beacons AI

Senior Software Engineer

San Francisco, CA · On-site

$144K - $190K/yr

They are seeking a Senior Fullstack Engineer to lead the development of their web application using React and Python, playing a key role in scaling the product and enhancing user experience.

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Sr Fullstack Developer information

What is a Sr Fullstack Developer?

A Sr Fullstack Developer is an experienced software engineer who is proficient in both frontend and backend development. They work with a variety of programming languages, frameworks, and databases to build fully functional web applications. In addition to coding, senior fullstack developers often lead projects, mentor junior developers, and help make architectural decisions. Their broad skill set allows them to handle tasks across the entire technology stack, ensuring that applications are efficient, scalable, and user-friendly.

What are some typical challenges a Sr Fullstack Developer faces when balancing front-end and back-end responsibilities?

Sr Fullstack Developers often need to juggle tasks across both the front-end and back-end, which can be challenging when priorities shift quickly or deadlines are tight. Balancing deep technical knowledge in multiple frameworks and languages while ensuring seamless integration requires strong organizational skills and effective communication with both UI/UX designers and backend engineers. Additionally, staying updated with evolving technologies on both ends is crucial, so time management and continuous learning are key to success in this role.

What are the key skills and qualifications needed to thrive as a Sr Fullstack Developer, and why are they important?

To thrive as a Sr Fullstack Developer, you need advanced proficiency in both front-end and back-end programming languages, frameworks, and a solid understanding of software architecture, typically supported by a computer science degree or equivalent experience. Familiarity with tools such as Git, Docker, CI/CD pipelines, cloud platforms, and relevant certifications like AWS Certified Developer or similar are often expected. Strong problem-solving abilities, effective communication, and a collaborative mindset are vital soft skills for this role. These competencies enable developers to deliver robust, scalable solutions and effectively drive projects to completion in dynamic team environments.

What is the difference between Sr Fullstack Developer vs Backend Developer?

AspectSr Fullstack DeveloperBackend Developer
Required SkillsProficiency in both frontend (JavaScript, HTML, CSS) and backend (Node.js, Python, Java)Specialized in server-side languages and database management
Work EnvironmentWorks on both client-facing and server-side componentsFocuses primarily on backend systems and APIs
Common UsageUsed across full product development teamsPrimarily in backend-focused roles within development teams

The main difference between a Sr Fullstack Developer and a Backend Developer is the scope of expertise. A Sr Fullstack Developer handles both frontend and backend tasks, while a Backend Developer specializes in server-side development. Both roles require strong programming skills, but the Fullstack role demands broader knowledge across the entire application stack.

What are popular job titles related to Sr Fullstack Developer jobs in California?

For Sr Fullstack Developer jobs in California, the most frequently searched job titles are:

What job categories do people searching Sr Fullstack Developer jobs in California look for?

The top searched job categories for Sr Fullstack Developer jobs in California are:

What cities in California are hiring for Sr Fullstack Developer jobs?

Cities in California with the most Sr Fullstack Developer job openings:

Sr Fullstack Developer jobs near you
Infographic showing various Sr Fullstack Developer job openings in California as of August 2026, with employment types broken down into 86% Full Time, 9% Part Time, and 5% Contract. Highlights an 82% Physical, 6% Hybrid, and 12% Remote job distribution.

Fullstack Developer

Anagh Technologies, Inc.

Sunnyvale, CA • On-site

Contractor

Re-posted 12 days ago

Job description

Fullstack Angular or React with JAVA
Long Term Contract
Sunnyvale, CA - REMOTE
Below is what we are looking for...
• Java, Java EE, Spring, REST APIs
• Front End Development - HTML, CSS, Bootstrap, Javascript
• One of : React, Angular
• Additional skills (Optional): SQL, Unix, Shell
Senior Engineer with strong Front end experience and a proven track record of building high quality scalable web applications, and solid leadership abilities.
Responsible for implementing pixel perfect designs that balance challenging customer needs with application performance.
Requirements: - BS in Computer Science or related technical field required.
- Qualified Full Stack Engineer with strong emphasis on Front End Experience with proven experience with React JS or equivalent, Node.js and Javascript.
- Experience in HTML5, JavaScript, CSS3, AJAX, Responsive Design, and general Web 2.0 techniques in the context of interactive Web Applications
- Experience with XML and XSLT technology
- Experience with building fast and efficient web applications with pixel perfect design
- Experience with deployment technologies like Capistrano or equivalent
- Experience with Source Code Management Tools (GitHUB)
- Experience with frontend performance optimization tools like Pagespeed etc.
- Experience with Source Code Management Tools (Github)
- Experience developing using relational databases such as Oracle or MySQL

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